Abstract
In this paper, we conduct an experimental investigation into the effect of the distance between two microphones for real-time sound localization using the generalized cross-correlation phase transform technique (GCC-PHAT). We have used the microphone array incorporated in the Microsoft Kinect device to acquire sound waves in real-time. The microphone array is composed of four audio sensors (microphones) which have been used in pairs to mount the experimental setup for helicopter sound localization. We have considered four pairs of microphones in our experiment. For each single pair, the distance between the couple of microphones, which composes that pair, was defined beforehand. Later, the angle of the source has been varied. The impact of the distance between the sound source and the pair of audio microphones has been investigated by varying gradually the distance between the source and the microphones. Experimental results show that the localization performance is improved as we increase the distance between the pair of microphones provided that the distance between the couple of microphones of an array is less than the distance between the source and the acquisition microphones.
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Douaer, B., Ykhlef, F., Ykhlef, F. (2021). Experimental Investigation into the Influence of the Distance Between Microphones for 2D Real-Time Sound Source Localization Using GCC-PHAT Technique. In: Senouci, M.R., Boudaren, M.E.Y., Sebbak, F., Mataoui, M. (eds) Advances in Computing Systems and Applications. CSA 2020. Lecture Notes in Networks and Systems, vol 199. Springer, Cham. https://doi.org/10.1007/978-3-030-69418-0_32
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DOI: https://doi.org/10.1007/978-3-030-69418-0_32
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